Headcycle
A link aggregation site focusing on user submitted content with a voting system, private messaging, and curated subject groups - both public and private - called headcycles. Headcycle can be found online at http://www.headcycle.com
Digg
Digg delivers the most interesting and talked-about stories on the Web right now.
IPhone and iPad apps available.
- Read every ...
StartupHack
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Tildes
Online communities are in a precarious and unhealthy state right now. Major internet platforms are exhibiting a wide range of ...
Folkd
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Raddle
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LanceBase
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Reddit is a social news site allowing users to submit articles, vote on them, and engage in discussions. Like other social new ...
Upthis
Vote, save and share your favourite content.
CornerHub
CornerHub is a social network. Create discussion topics, follow other users, share your updates, photos, videos and music. You ...
ForumPromotion
ForumPromotion.com; a bookmarking & social networking curation hub, but also the easiest way to discover new and interesti ...
Prismo
Prismo is not yet production ready so please don't try to host an intance yet! I will not be able to provide you any support w ...